New Electrical Schematic Is Available for Certain Retrofit Aftertreatment Selective Catalytic Reduction Systems {108F, 1091, 7566}
- Retrofit Aftertreatment:
- SCR (S/N: ES71-UP)
A new schematic is available for certain retrofit Selective Catalytic Reduction (SCR) systems. The schematic is used with (DC-DC) uninterrupted electrical power systems. The (DC-DC) conversion provides a method for constant power to the dosing cabinet controller.
Refer to Schematic, UENR6439, "Retrofit Dosing Cabinet Electrical System 458-6587-01" for (DC-DC) schematic for ES700171-00230.
Refer to Schematic, UENR6440, "Retrofit Dosing Cabinet Electrical System 387-9560-03" for (Non DC-DC) schematic for ES700231-UP.
For additional assistance, contact the a Service Engineer in Caterpillar Emissions Solutions or call the service hotline at 877-228-0909.
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